SERVICE AND INSTALLATION MANUAL
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2. MAIN FUNCTIONS
2.1 HOW TO SEE THE SETPOINT
1. Push and immediately release the SET key: the display will show the set point value;
2. Push and immediately release the SET key or wait for 5 seconds to display the sensor value
again.
2.2 HOW TO CHANGE THE SETPOINT
1. Push the SET key for more than 2 seconds to change the set point value;
2. The value of the set point will be displayed and the LED starts blinking;
3. To change the set value push the or key within 10 seconds;
4. To memory the new set point value and push the SET key again or wait 10 seconds.
2.3 HOW TO START A MANUAL DEFROST
Push the key for more than 2 seconds and a manual defrost will start
2.4 HOW TO LOCK THE KEYBOARD
1. Keep pressed the and keys for more than 3 seconds;
2. The “POF” message will be displayed and the keyboard will be locked. At this point, it will
be possible only to see the set point or the MAX or Min temperature stored;
3. If a key is pressed more than 3s the ”POF” message will be displayed.
2.5 HOW TO UNLOCK THE KEYBOARD
Keep pressed the and keys together for more than 3 seconds, until the “Pon”
message is displayed, then press or key to select the item to check or program.
3. ALARM SIGNALS
HOW TO SEE THE ALARM AND RESET THE RECORDED ALARM
1. Push the or key and the alarm signals will be displayed;
2. When the signal is displayed, hold the SET key until the “rst” message is displayed, and push the
SET key again, the “rst” message start blinking and the normal temperature will be displayed
again.
MESSAGE CAUSE OUTPUTS
“P1”
Room probe failure Compressor Output according to par. “Con” and “COF”
“P2”
Evapurator probe failure Defrost end is timed.
“P3”
Condensor probe failure Outputs unchanged.
“HA”
Maximum temperature alarm Outputs unchanged.
“LA”
Minimum temperature alarm Outputs unchanged.
“dA”
Door open Compressor and fans restart.
“EA”
External alarm Outputs unchanged.
“CA”
Serious external alarm (¡1F=bAL) All outputs OFF.
“CSd”
Condensor alarm All outputs OFF.
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